//The MIT License

//Copyright (c) 2009 Lluis Sanchez, Nick Darnell

//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:

//The above copyright notice and this permission notice shall be included in
//all copies or substantial portions of the Software.

//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//THE SOFTWARE.

using System;
using System.Collections;
using System.Reflection.Emit;
using System.Reflection;

using NUnit.Framework;

namespace Polymorph.Test
{
    [TestFixture]
    public class FibonacciTestFixture
    {
        [Test]
        public void FibonacciTest()
        {
            CodeDynamicMethod method = new CodeDynamicMethod("Run", typeof(void), true);
            CodeBuilder cb = method.CodeBuilder;

            CodeValueReference max = cb.DeclareVariable<int>();
            CodeValueReference v1 = cb.DeclareVariable<int>(Exp.Literal(0));
            CodeValueReference v2 = cb.DeclareVariable<int>(Exp.Literal(1));
            CodeValueReference sum = cb.DeclareVariable<int>();

            cb.Assign(max, Exp.Call<int>("Parse", Exp.Literal("10")));

            cb += ExpConsole.WriteLine(Exp.Literal("Generating Fibonacci Numbers To {0}"), max);

            cb.While(v2 < max);
                cb += ExpConsole.WriteLine(v2.CallToString());
                cb.Assign(sum, v1 + v2);
                cb.Assign(v1, v2);
                cb.Assign(v2, sum);
            cb.EndWhile();

            cb += ExpConsole.WriteLine("Done");

            Console.WriteLine(method.PrintCode());

            DynamicMethod dm = method.Generate();
            dm.Invoke(null, null);
        }
    }
}
